Methods 10 patients with CCH were treated with HBO (2.5MPa,2 h/d, 10 d/ cyc 6 cyc) and liver biopsy was carried out bore and after the treatment.

• 方法用纯氧单仓治疗（2.；5Mpa，2h/d， 10 d/cyc，6 cyc）10例 CCH。